Eye trauma

Question 1

When does a conjunctival haemorrhage occur?

Answer 1

due to rubbing an already increased pressured eye

Question 2

When are fluorescein drops used? What is it?

Answer 2

Orange dye

it is taken up by any area of epithelial defect

Question 3

What is a hyphaema?

Answer 3

blood in the anterior chamber of the eye - will eventually sink to the bottom

Question 4

What are the signs of a retinal detachment?

Answer 4

flashing lights and floaters

Question 5

What is commotio retinae?

Answer 5

a bruised retina

Question 6

What test is done for penetrating injuries? What is it?

Answer 6

Seidels test - green tear film coating - will see the aqueous pouring out if there is a tear

Question 7

What must you do if you suspect an intra ocular forgein body?

Answer 7

X ray the orbits

Question 8

What happens to eyes in acidic burns?

Answer 8

coagulates the proteins

little penetration so doesnt get into the anterior chamber

Question 9

What happens to eyes in alkali burns?

Answer 9

necratising changes to the conjunctiva and cornea

penetrates the intraocular structures

Question 10

What do both acidic and alkali burns result in?

Answer 10

corneal scarring

Question 11

What is the management of any eye burn?

Answer 11

Toxobase - detects how alkali/acidic something is
irrigate with 2l saline
check pH
do slit lamp test